fix(rust/signed_doc): replace ULID with UUIDv7

Author: saibatizoku

rust/signed_doc/Cargo.toml

@@ -21,5 +21,4 @@ jsonschema = "0.18.0"
 coset = "0.3.7"
 brotli = "7.0.0"
 ed25519-dalek = { version = "2.1.1", features = ["pem"] }
-uuid = { version = "1.10.0", features = ["v4", "serde"] }
-ulid = { version = "1.1.3", features = ["serde"] }
+uuid = { version = "1.10.0", features = ["v4", "v7", "serde"] }

rust/signed_doc/README.md

@@ -27,11 +27,11 @@ which **must** be present (most of the fields originally defined by this
   (this parameter is used to indicate the content encodings algorithm of the payload data,
   in this particular case [brotli] compression data format is used).
 * `type`: CBOR encoded UUID.
-* `id`: CBOR encoded ULID.
-* `ver`: CBOR encoded ULID.
-* `ref`: CBOR encoded ULID or two elements array of ULIDs (optional).
-* `template`: CBOR encoded ULID or two elements array of ULIDs (optional).
-* `reply`: CBOR encoded ULID or two elements array of ULIDs (optional).
+* `id`: CBOR encoded UUIDv7.
+* `ver`: CBOR encoded UUIDv7.
+* `ref`: CBOR encoded UUIDv7 or two elements array of UUIDv7 (optional).
+* `template`: CBOR encoded UUIDv7 or two elements array of UUIDv7 (optional).
+* `reply`: CBOR encoded UUIDv7 or two elements array of UUIDv7 (optional).
 * `section`: CBOR encoded string (optional).
 * `collabs`: CBOR encoded array of any CBOR types (optional).
 
@@ -46,8 +46,8 @@ protected_header = {
    3 => 30, ; "content type": Json
    "content encoding" => "br", ; payload content encoding, brotli compression
    "type" => UUID,
-   "id" => ULID,
-   "ver" => ULID,
+   "id" => UUIDv7,
+   "ver" => UUIDv7,
    ? "ref" => reference_type,
    ? "template" => reference_type,
    ? "reply" => reference_type,
@@ -56,8 +56,7 @@ protected_header = {
 }
 
 UUID = #6.37(bytes)
-ULID = #6.32780(bytes)
-reference_type = ULID / [ULID, ULID] ; either ULID or [ULID, ULID]
+reference_type = UUIDv7 / [UUIDv7, UUIDv7] ; either UUIDv7 or [UUIDv7, UUIDv7]
 ```
 
 ### COSE payload

rust/signed_doc/examples/mk_signed_doc.rs

@@ -59,13 +59,12 @@ enum Cli {
 const CONTENT_ENCODING_KEY: &str = "content encoding";
 const CONTENT_ENCODING_VALUE: &str = "br";
 const UUID_CBOR_TAG: u64 = 37;
-const ULID_CBOR_TAG: u64 = 32780;
 
 #[derive(Debug, serde::Deserialize)]
 struct Metadata {
     r#type: uuid::Uuid,
-    id: ulid::Ulid,
-    ver: ulid::Ulid,
+    id: uuid::Uuid,
+    ver: uuid::Uuid,
     r#ref: Option<DocumentRef>,
     template: Option<DocumentRef>,
     reply: Option<DocumentRef>,
@@ -76,29 +75,9 @@ struct Metadata {
 #[serde(untagged)]
 enum DocumentRef {
     /// Reference to the latest document
-    Latest { id: ulid::Ulid },
+    Latest { id: uuid::Uuid },
     /// Reference to the specific document version
-    WithVer { id: ulid::Ulid, ver: ulid::Ulid },
-}
-
-fn encode_cbor_ulid(ulid: &ulid::Ulid) -> coset::cbor::Value {
-    coset::cbor::Value::Tag(
-        ULID_CBOR_TAG,
-        coset::cbor::Value::Bytes(ulid.to_bytes().to_vec()).into(),
-    )
-}
-
-fn decode_cbor_ulid(val: &coset::cbor::Value) -> anyhow::Result<ulid::Ulid> {
-    let Some((ULID_CBOR_TAG, coset::cbor::Value::Bytes(bytes))) = val.as_tag() else {
-        anyhow::bail!("Invalid CBOR encoded ULID type");
-    };
-    let ulid = ulid::Ulid::from_bytes(
-        bytes
-            .clone()
-            .try_into()
-            .map_err(|_| anyhow::anyhow!("Invalid CBOR encoded ULID type, invalid bytes size"))?,
-    );
-    Ok(ulid)
+    WithVer { id: uuid::Uuid, ver: uuid::Uuid },
 }
 
 fn encode_cbor_uuid(uuid: &uuid::Uuid) -> coset::cbor::Value {
@@ -123,24 +102,24 @@ fn decode_cbor_uuid(val: &coset::cbor::Value) -> anyhow::Result<uuid::Uuid> {
 
 fn encode_cbor_document_ref(doc_ref: &DocumentRef) -> coset::cbor::Value {
     match doc_ref {
-        DocumentRef::Latest { id } => encode_cbor_ulid(id),
+        DocumentRef::Latest { id } => encode_cbor_uuid(id),
         DocumentRef::WithVer { id, ver } => {
-            coset::cbor::Value::Array(vec![encode_cbor_ulid(id), encode_cbor_ulid(ver)])
+            coset::cbor::Value::Array(vec![encode_cbor_uuid(id), encode_cbor_uuid(ver)])
         },
     }
 }
 
 #[allow(clippy::indexing_slicing)]
 fn decode_cbor_document_ref(val: &coset::cbor::Value) -> anyhow::Result<DocumentRef> {
-    if let Ok(id) = decode_cbor_ulid(val) {
+    if let Ok(id) = decode_cbor_uuid(val) {
         Ok(DocumentRef::Latest { id })
     } else {
         let Some(array) = val.as_array() else {
             anyhow::bail!("Invalid CBOR encoded document `ref` type");
         };
         anyhow::ensure!(array.len() == 2, "Invalid CBOR encoded document `ref` type");
-        let id = decode_cbor_ulid(&array[0])?;
-        let ver = decode_cbor_ulid(&array[1])?;
+        let id = decode_cbor_uuid(&array[0])?;
+        let ver = decode_cbor_uuid(&array[1])?;
         Ok(DocumentRef::WithVer { id, ver })
     }
 }
@@ -243,11 +222,11 @@ fn build_empty_cose_doc(doc_bytes: Vec<u8>, meta: &Metadata) -> coset::CoseSign
     ));
     protected_header.rest.push((
         coset::Label::Text("id".to_string()),
-        encode_cbor_ulid(&meta.id),
+        encode_cbor_uuid(&meta.id),
     ));
     protected_header.rest.push((
         coset::Label::Text("ver".to_string()),
-        encode_cbor_ulid(&meta.ver),
+        encode_cbor_uuid(&meta.ver),
     ));
     if let Some(r#ref) = &meta.r#ref {
         protected_header.rest.push((
@@ -388,7 +367,7 @@ fn validate_cose_protected_header(cose: &coset::CoseSign) -> anyhow::Result<()>
     else {
         anyhow::bail!("Invalid COSE protected header, missing `id` field");
     };
-    decode_cbor_ulid(value)
+    decode_cbor_uuid(value)
         .map_err(|e| anyhow::anyhow!("Invalid COSE protected header `id` field, err: {e}"))?;
 
     let Some((_, value)) = cose
@@ -400,7 +379,7 @@ fn validate_cose_protected_header(cose: &coset::CoseSign) -> anyhow::Result<()>
     else {
         anyhow::bail!("Invalid COSE protected header, missing `ver` field");
     };
-    decode_cbor_ulid(value)
+    decode_cbor_uuid(value)
         .map_err(|e| anyhow::anyhow!("Invalid COSE protected header `ver` field, err: {e}"))?;
 
     if let Some((_, value)) = cose